Billion Electric Company BiPAC 6404VP User Manual

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VoIP/(802.11g) Broadband Firewall Router 
 
Chapter 4: Configuration 
 
 
IP Alias   
This function supports to create multiple virtual IP interfaces on this router. It helps to connect two or more 
local networks to the ISP or remote node. In this case, an internal router is not required. 
 
IP Address: Specify an IP address on this virtual interface. 
SubNetmask: Specify a subnet mask on this virtual interface. 
Security Interface: Specify the firewall setting on this virtual interface. 
Internal: The network is behind NAT. All traffic will do network address translation when sending out to 
Internet if NAT is enabled. 
External: There is no NAT on this IP interface and connected to the Internet directly. Mostly it will be used 
when providing multiple public IP addresses by ISP. In this case, you can use public IP address in local 
network which gateway IP address point to the IP address on this interface. 
DMZ: Specify this network to DMZ area. There is no NAT on this interface. 
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